<!DOCTYPE html>
<html lang="zh">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self';">

    <title>navbar</title>
    <link rel="stylesheet" href="../commont/button.css">
    <link rel="stylesheet" href="navbar.css">
</head>

<body>
    <div class="button-container">
        <button id="btn1">not linked</button>
        <button id="btn2">Ch setup</button>
        <button id="btn3">save</button>
        <button id="btn4">load</button>
    </div>
    <script src="navbar.js"></script>
</body>

</html>